Table 1.

Characteristics of selected patients (n = 82)

Characteristics	n	Percentage
Age group (yr)
≤ 30	11	13.4
31-40	15	18.3
41-50	21	25.6
51-60	22	26.8
≥ 60	13	15.9
Sex
Male	49	59.8
Female	33	40.2
Smoking habit
Smoker	25	30.5
Non-smoker	57	69.5
Alcohol intake
Take alcohol	3	3.7
Do not take alcohol	79	96.3
Diabetes
Diabetic	67	81.7
Non-diabetic	15	18.3
Endoscopic diagnoses
Normal	20	24.4
Gastritis	24	29.3
Duodenitis	8	9.8
Peptic ulcer	25	30.5
Gastric carcinoma	4	4.8
Reflux esophagitis	1	1.2